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  2. Telephone directory - Wikipedia

    en.wikipedia.org/wiki/Telephone_directory

    Telephone directory. A telephone directory, commonly called a telephone book, telephone address book, phonebook, or the white and yellow pages, is a listing of telephone subscribers in a geographical area or subscribers to services provided by the organization that publishes the directory. Its purpose is to allow the telephone number of a ...

  3. Template : Telephone directory publishers in the United States

    en.wikipedia.org/wiki/Template:Telephone...

    To change this template's initial visibility, the |state= parameter may be used: {{Telephone directory publishers in the United States | state = collapsed}} will show the template collapsed, i.e. hidden apart from its title bar. {{Telephone directory publishers in the United States | state = expanded}} will show the template expanded, i.e ...

  4. National conventions for writing telephone numbers - Wikipedia

    en.wikipedia.org/wiki/National_conventions_for...

    Belgian telephone numbers consist of three parts: First '0', secondly the "zone prefix" ( A) which has one or two digits for landlines and three digits for mobile phones, and thirdly the "subscriber's number" ( B ). Land lines always have nine digits. They are prefixed by a zero, followed by the zone prefix.

  5. The history of the American phone book - AOL

    www.aol.com/history-american-phone-book...

    As phone lines became more popular—between 1942 and 1962, the number of phones in the U.S. grew 230% to 76 million—telephone companies realized they would run out of phone numbers.

  6. List of mobile telephone prefixes by country - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_telephone...

    3 (Three) initially it was given to early business contracts; then it was operator reserved (employee numbers, system numbers e.g. SMSC) until 2013 when 3 started giving 391 numbers to regular users 392: 3 (Three) 393: 3 (Three) 397: 13 (3 10) 3 (Three) operator reserved (routing number) Ivory Coast +225: 01: 10: Moov: 05 MTN: 07: Orange ...

  7. Employee monitoring - Wikipedia

    en.wikipedia.org/wiki/Employee_monitoring

    Employee monitoring. Employee monitoring is the (often automated) surveillance of workers' activity. Organizations engage in employee monitoring for different reasons such as to track performance, to avoid legal liability, to protect trade secrets, and to address other security concerns. [1] This practice may impact employee satisfaction due to ...

  8. Telephone keypad - Wikipedia

    en.wikipedia.org/wiki/Telephone_keypad

    A telephone keypad using the ITU E.161 standard. A telephone keypad is a keypad installed on a push-button telephone or similar telecommunication device for dialing a telephone number. It was standardized when the dual-tone multi-frequency signaling (DTMF) system was developed in the Bell System in the United States in the 1960s that replaced ...

  9. Category:Telephone directory publishing companies of the ...

    en.wikipedia.org/wiki/Category:Telephone...

    Y. YP Holdings. Categories: Book publishing companies of the United States. Telecommunications companies of the United States. Telephone directory publishing companies. Telephone numbers in the United States.